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Location: Chesterfield, MI
Elevation: 581ft
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Air Quality Alert
Issued: 3:55 PM Jul. 16, 2026 – National Weather Service
...Air Quality Alert remains in effect Today through Friday July
17th...

The Michigan Department of Environment, Great Lakes, and Energy
(EGLE) has update the Air Quality Alert. It remains in effect for
today through Friday July 17, 2026, for elevated levels of fine
particulate due to wildfire smoke. Concentrations will be in the
Hazardous range for all areas.

This is a Statewide Air Quality Alert.

Plumes of smoke from Canadian wildfires continue to drift across the
region. Elevated fine particulate due to the smoke will continue
through Friday.

Everyone should seek cleaner air indoors and keep activity levels
low. While indoors, take action to improve the indoor air quality
such as: closing windows and minimize opening of doors, if HVAC
systems are not equipped with MERV-13 filters or higher, use portable
air cleaners, avoid activities that make indoor air quality worse:
burning candles, using vacuums without a HEPA filter, using gas
stoves more than necessary, smoking, spraying aerosol products.

If you must be outdoors for short periods of time:
Wear an N95 or P100 respirator marked with bNIOSH.b The respirator should fit
tightly, collapse as you breathe in and not let air in from the sides.
Instructions for fitting a respirator mask properly can be found at:
https://www.epa.gov/sites/default/files/2018-11/documents/respiratory_protection-
no-niosh-5081.pdf

Do not use masks for children under age 2.

For up-to-date air quality data for Michigan visit the MiAir site:
Michigan.gov/MiAir

For up-to-date air quality data nationally visit EPAbs Air Now site:
AirNow.gov

For further health information, please see MDHHSb Wildfire Smoke and Your Health
site:

https://www.michigan.gov/mdhhs/safety-injury-prev/environmental-health/your-health-
and-wildfire-smoke

Dense Smoke Advisory
Issued: 2:06 PM Jul. 16, 2026 – National Weather Service
...DENSE SMOKE ADVISORY NOW IN EFFECT UNTIL 4 AM EDT FRIDAY...

* WHAT...Dense smoke will reduce visibility to 1 NM or less.

* WHERE...Portions of Lake Huron and Lake St Clair.

* WHEN...Smoke is dense this morning and may show modest
improvement this afternoon and tonight.

* IMPACTS...Low visibility will make navigation difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.

&&

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